= Trouble Shooting - FTUs

== ftm in state ERROR:

__Symptom__

- ftmctrl in state ERROR
- one FTU is not green in the FTU tab of the GUI

__Solution__

- stop dimscript
 - dimctrl --stop from a bash
- switch off the trigger and try *Ping* (FTU-tab)
 - a FTU can erroneously be marked as *in error* after the GUI has been restartet, a *Ping* resolve that
- if this doesn't help do a Crate Reset (see <A HREF="#tscratereset">above</A>)

__Not Helping__

- stopping fadctrl or ftmctrl
- Reset other or all Crates
- quiting or killing any program
- power cycling the camera

== ftmctrl in state ClockCondError:

__Symptom__

- ftmctrl in state ClockCondError
- clock conditioner is not locked

__Solution__

- FTM_CONTROL/RESET_CONFIGURATION
- or the MCP Reset button
- make sure that the clock conditioner is locked before data taking

__Not Helping__